The coronavirus, like so many other social ills, real and metaphorical, incubated in major cities. New York City, with the highest population density in the country, also accounted for the highest death toll. San Francisco, the second highest among large cities, was a major incubator. Pandemic maps of the death toll show the deaths concentrating around major cities before making the slow trek from urban into suburban and eventually rural areas. The urban lockdowns didn’t stop the spread of the virus. What they really did was trap poor and middle class residents in urban areas, while the wealthy fled, and...